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Nguyen; Hong
Grenoble, FR
No. of patents:

Patent Number Title Of Patent Date Issued
6069780 Electronic trip device comprising, in series, finite and infinite impulse response filters May 30, 2000
The electronic trip device comprises in series for each phase of a power system a sampler, a squaring circuit and a finite impulse response (FIR) filter. A maximum circuit is connected to the output of the FIR filters and to the input of an infinite impulse response filter. A comparison
5850330 Electronic trip device that detects an imminent drop of the power system voltage and comprises a December 15, 1998
The electronic trip device with a thermal memory including a capacitor and a charging resistor arranged in parallel. In normal operation, the capacitor is permanently charged by a supply voltage supplied by the power system to be protected. The trip device includes a processing circuit

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